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प्रश्न
The velocity-time graph of a body in motion is a straight line inclined to the time axis. The correct statement is ___________
विकल्प
Velocity is uniform
Acceleration is uniform
Both velocity and acceleration are uniform
Neither velocity nor acceleration is uniform.
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उत्तर
The velocity-time graph of a body in motion is a straight line inclined to the time axis. The correct statement is Acceleration is uniform.
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संबंधित प्रश्न
Fill in the following blank with a suitable word:
Acceleration is the rate of change of ______ It is measured in ______
Name the quantity which is measured by the area occupied under the velocity-time graph.
A car acquire a velocity of 72 km per hour in 10 second starting from rest. Find
(1) the acceleration,
(2) the average velocity, and
(3) the distance travelled in this time.
A car is travelling along the road at 8 ms-1. It accelerates at 1 ms-2 for a distance of 18 m. How fast is it then travelling ?
When a car driver travelling at a speed of 10 m/s applies brakes and brings the car to rest in 20 s, then retardation will be :
A bus increases its speed from 36 km/h to 72 km/h in 10 seconds. Its acceleration is :
Give one example of following motion :
Variable acceleration
When is the positive acceleration?
Multiple choice Question. Select the correct option.
The speed of a car reduces from 15 m/s to 5 m/s over a displacement of 10 m. The uniform acceleration of the car is :
A girl walks along a straight path to drop a letter in the letterbox and comes back to her initial position. Her displacement–time graph is shown in Fig.8.4. Plot a velocity-time graph for the same.
